ground/gcs/src/libs/eigen/doc/examples/Tutorial_ArrayClass_interop.cpp

   1 #include <Eigen/Dense>
   2 #include <iostream>
   3
   4 using namespace Eigen;
   5 using namespace std;
   6
   7 int main()
   8 {
   9   MatrixXf m(2,2);
  10   MatrixXf n(2,2);
  11   MatrixXf result(2,2);
  12
  13   m << 1,2,
  14        3,4;
  15   n << 5,6,
  16        7,8;
  17
  18   result = (m.array() + 4).matrix() * m;
  19   cout << "-- Combination 1: --" << endl << result << endl << endl;
  20   result = (m.array() * n.array()).matrix() * m;
  21   cout << "-- Combination 2: --" << endl << result << endl << endl;
  22 }